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Finding the Fourth Proportional to 268,499.26, 370,530.31 and 147,648.34

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Solution

The fourth proportional to 268,499.26, 370,530.31 and 147,648.34 is: 203,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,499.26 : 370,530.31 = 147,648.34 : x
  2. Step 2: Convert to fraction form
    268,499.26/370,530.31 = 147,648.34/x
  3. Step 3: Cross multiply
    268,499.26x = 370,530.31 × 147,648.34
  4. Step 4: Simplify right side
    268,499.26x = 54,708,185,560.31
  5. Step 5: Solve for x
    x = 54,708,185,560.31/268,499.26
  6. Step 6: Final answer
    x = 203,755.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.